Lego Classic Set 10701-1 Light Bluish Gray Large Baseplate (48x48) Size: 38x38cm | eBay
LEGO 11024 Classic Grey Baseplate, 48x48 Stud Building Base, Build and Display Board Set & 11025 Classic Blue Baseplate Building Base, Square 32x32 Build and Display Board, Construction Toy for Kids :
LEGO Classic Gray Baseplate 11024 Building Kit; Square 48x48 Landscape for Open-Ended Imaginative Building Play; Can Be Given as a Birthday, Holiday or Any-Day Gift for Kids Aged 4 and up (1 Piece) - Walmart.com